/**************************************************************************** * NxWidgets/libnxwidgets/src/cnxtkwindow.cxx * * Copyright (C) 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX, NxWidgets, nor the names of its contributors * me be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include "cwidgetcontrol.hxx" #include "cnxtkwindow.hxx" #include "cnxtoolbar.hxx" #include "cbitmap.hxx" /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ /**************************************************************************** * Method Implementations ****************************************************************************/ using namespace NXWidgets; /** * Constructor. * * @param hNxServer Handle to the NX server. * @param widgetControl Controlling widget for this window. */ CNxTkWindow::CNxTkWindow(NXHANDLE hNxServer, CWidgetControl *widgetControl) : CCallback(widgetControl) { // Save construction values m_hNxServer = hNxServer; m_widgetControl = widgetControl; // Nullify uninitilized pointers and values m_hNxTkWindow = (NXTKWINDOW )0; m_toolbar = (CNxToolbar *)0; m_toolbarHeight = 0; // Create the CGraphicsPort instance for this window m_widgetControl->createGraphicsPort(static_cast(this)); } /** * Destructor. */ CNxTkWindow::~CNxTkWindow(void) { // It would be a disaster if toolbar instance persists beyond // the window! DEBUGASSERT(!m_toolbar); // Release the window. We do not release the widget control // instance. The lifetime of that instance is owned by he-who- // constructed-us. (void)nxtk_closewindow(m_hNxTkWindow); delete m_widgetControl; } /** * Creates a new framed window. Window creation is separate from * object instantiation so that failures can be reported. * * @return True if the framed window was successfully created. */ bool CNxTkWindow::open(void) { // Get the C-callable callback vtable FAR struct nx_callback_s *vtable = getCallbackVTable(); // Create the window m_hNxTkWindow = nxtk_openwindow(m_hNxServer, vtable, (FAR void *)static_cast(this)); return m_hNxTkWindow != NULL; } /** * Each implementation of INxWindow must provide a method to recover * the contained CWidgetControl instance. * * @return The contained CWidgetControl instance */ CWidgetControl *CNxTkWindow::getWidgetControl(void) const { return m_widgetControl; } /** * Open a toolbar on the framed window. This method both instantiates * the toolbar object AND calls the INxWindow::open() method to * create the toolbar. The toolbar is ready for use upon return. * * @param height. The height in rows of the tool bar * @param widgetControl. The controlling widget for this window. If * none is provided, then a new, vanilla CWidgetControl will be created * for the tool bar. * @param height Height of the toolbar */ CNxToolbar *CNxTkWindow::openToolbar(nxgl_coord_t height, CWidgetControl *widgetControl) { if (m_hNxTkWindow && !m_toolbar) { // Create a new widget control if none was provided CWidgetControl *allocControl = (CWidgetControl *)0; if (!widgetControl) { // NOTE: This constructor would accept the toolbar "style" as a argument. // However, we will explicitly set the style below to handle the case // where the user has provided a custom widget control allocControl = new CWidgetControl(); if (!allocControl) { return (CNxToolbar *)0; } // Use the allocated widget control widgetControl = allocControl; } // Get current window style from the NXTK window's widget control CWidgetStyle style; m_widgetControl->getWidgetStyle(&style); // Set the background color(s) to the color of the toolbar style.colors.background = CONFIG_NXTK_BORDERCOLOR1; style.colors.selectedBackground = CONFIG_NXTK_BORDERCOLOR1; widgetControl->setWidgetStyle(&style); // And create the toolbar m_toolbar = new CNxToolbar(this, m_hNxTkWindow, widgetControl, height); if (!m_toolbar) { if (allocControl) { delete allocControl; } return (CNxToolbar *)0; } // Create the new toolbar. Toolbar creation is separate from // object instantiation so that failures can be reported. if (!m_toolbar->open()) { // Failed to create the toolbar. Clean-up and return NULL delete m_toolbar; if (allocControl) { delete allocControl; } return (CNxToolbar *)0; } // Save the height of the toolbar. We will need this because it will change // how we report the size of drawable part of the window. m_toolbarHeight = height; // Provide parent widget control information to new widget control instance. // This information is reported by an NX callback for "normal" windows. But // the toolbar widget control does not get NX callbacks and has to get the // window size through the setWindowBounds method. // Disable preemption so that we can be assured that all of the following // values are synchronized. sched_lock(); // Get the physical bounding box of the window in display coordinates struct nxgl_rect_s windowBounds; m_widgetControl->getWindowBoundingBox(&windowBounds); // Get the position of the parent window in display coordinates struct nxgl_point_s windowPos; m_widgetControl->getWindowPosition(&windowPos); // Get the bounding box of the toolbar in parent window coordinates struct nxgl_rect_s toolbarBounds; nxtk_toolbarbounds(m_hNxTkWindow, &toolbarBounds); // Get the toolbar size struct nxgl_size_s toolbarSize; nxgl_rectsize(&toolbarSize, &toolbarBounds); // Get the toolbar position in display coordinates by adding the window position struct nxgl_point_s toolbarPos; nxgl_vectoradd(&toolbarPos, &toolbarBounds.pt1, &windowPos); // Perform the fake NX callback widgetControl->geometryEvent(m_hNxTkWindow, &toolbarSize, &toolbarPos, &windowBounds); sched_unlock(); } return m_toolbar; } /** * Request the position and size information of the window. The values * will be returned asynchronously through the client callback method. * The GetPosition() method may than be called to obtain the positional * data as provided by the callback. * * @return True on success, false on any failure. */ bool CNxTkWindow::requestPosition(void) { // Request the window position return nxtk_getposition(m_hNxTkWindow) == OK; } /** * Get the position of the window in the physical display coordinates * (as reported by the NX callback). * * @return The position. */ bool CNxTkWindow::getPosition(FAR struct nxgl_point_s *pos) { return m_widgetControl->getWindowPosition(pos); } /** * Get the size of the window drawable region. * * @return The size. */ bool CNxTkWindow::getSize(FAR struct nxgl_size_s *size) { // Get the size of the NXTK window (this will exclude the thickness of // the frame and the height of the toolbar, if any). return m_widgetControl->getWindowSize(size); } /** * Set the position and size of the window. * * @param pos The new position of the window. * @return True on success, false on any failure. */ bool CNxTkWindow::setPosition(FAR const struct nxgl_point_s *pos) { // Set the window size and position return nxtk_setposition(m_hNxTkWindow, pos) == OK; } /** * Set the size of the selected window. * * @param size The new size of the window. * @return True on success, false on any failure. */ bool CNxTkWindow::setSize(FAR const struct nxgl_size_s *size) { // Set the window size return nxtk_setsize(m_hNxTkWindow, size) == OK; } /** * Bring the window to the top of the display. * * @return True on success, false on any failure. */ bool CNxTkWindow::raise(void) { // Raise the window to the top of the display return nxtk_raise(m_hNxTkWindow) == OK; } /** * Lower the window to the bottom of the display. * * @return True on success, false on any failure. */ bool CNxTkWindow::lower(void) { // Lower the window to the bottom of the display return nxtk_lower(m_hNxTkWindow) == OK; } /** * Set an individual pixel in the window with the specified color. * * @param pos The location of the pixel to be filled. * @param color The color to use in the fill. * * @return True on success; false on failure. */ bool CNxTkWindow::setPixel(FAR const struct nxgl_point_s *pos, nxgl_mxpixel_t color) { #if 0 // Set an individual pixel to the specified color return nxtk_setpixel(m_hNxTkWindow, pos, &color) == OK; #else // REVISIT return false; #endif } /** * Fill the specified rectangle in the window with the specified color. * * @param pRect The location to be filled. * @param color The color to use in the fill. * * @return True on success; false on failure. */ bool CNxTkWindow::fill(FAR const struct nxgl_rect_s *pRect, nxgl_mxpixel_t color) { // Fill a rectangular region with a solid color return nxtk_fillwindow(m_hNxTkWindow, pRect, &color) == OK; } /** * Get the raw contents of graphic memory within a rectangular region. NOTE: * Since raw graphic memory is returned, the returned memory content may be * the memory of windows above this one and may not necessarily belong to * this window unless you assure that this is the top window. * * @param rect The location to be copied * @param dest - The describes the destination bitmap to receive the * graphics data. */ void CNxTkWindow::getRectangle(FAR const struct nxgl_rect_s *rect, struct SBitmap *dest) { // Get a rectangule region from the window (void)nxtk_getwindow(m_hNxTkWindow, rect, 0, (FAR uint8_t*)dest->data, dest->stride); } /** * Fill the specified trapezoidal region in the window with the specified * color. * * @param pClip Clipping rectangle relative to window (may be null). * @param pTrap The trapezoidal region to be filled. * @param color The color to use in the fill. * * @return True on success; false on failure. */ bool CNxTkWindow::fillTrapezoid(FAR const struct nxgl_rect_s *pClip, FAR const struct nxgl_trapezoid_s *pTrap, nxgl_mxpixel_t color) { // Fill a trapezoidal region with a solid color return nxtk_filltrapwindow(m_hNxTkWindow, pTrap, &color) == OK; } /** * Fill the specified line in the window with the specified color. * * @param vector - Describes the line to be drawn * @param width - The width of the line * @param color - The color to use to fill the line * * @return True on success; false on failure. */ bool CNxTkWindow::drawLine(FAR struct nxgl_vector_s *vector, nxgl_coord_t width, nxgl_mxpixel_t color) { // Draw a line with the specified color return nxtk_drawlinewindow(m_hNxTkWindow, vector, width, &color) == OK; } /** * Draw a filled circle at the specified position, size, and color. * * @param center The window-relative coordinates of the circle center. * @param radius The radius of the rectangle in pixels. * @param color The color of the rectangle. */ bool CNxTkWindow::drawFilledCircle(struct nxgl_point_s *center, nxgl_coord_t radius, nxgl_mxpixel_t color) { return nxtk_fillcirclewindow(m_hNxTkWindow, center, radius, &color) == OK; } /** * Move a rectangular region within the window. * * @param pRect Describes the rectangular region to move. * @param pOffset The offset to move the region. * * @return True on success; false on failure. */ bool CNxTkWindow::move(FAR const struct nxgl_rect_s *pRect, FAR const struct nxgl_point_s *pOffset) { // Move a rectangular region of the display return nxtk_movewindow(m_hNxTkWindow, pRect, pOffset) == OK; } /** * Copy a rectangular region of a larger image into the rectangle in the * specified window. The source image is treated as an opaque image. * * @param pDest Describes the rectangular on the display that will receive * the bitmap. * @param pSrc The start of the source image. * @param pOrigin the pOrigin of the upper, left-most corner of the full * bitmap. Both pDest and pOrigin are in window coordinates, however, * pOrigin may lie outside of the display. * @param stride The width of the full source image in bytes. * * @return True on success; false on failure. */ bool CNxTkWindow::bitmap(FAR const struct nxgl_rect_s *pDest, FAR const void *pSrc, FAR const struct nxgl_point_s *pOrigin, unsigned int stride) { // Copy a rectangular bitmap image in a region on the display return nxtk_bitmapwindow(m_hNxTkWindow, pDest, &pSrc, pOrigin, stride) == OK; }